Could you say more about how you envision this working? I don’t see how your survey participants could acquire the survey TW without downloading it from you, and—unless you’re all on the same trusted local network—they certainly can’t return their completed surveys to you without uploading them.
The ExternalContent plugin @pmario linked works exclusively with online “source” wikis, so that will also be off the table in an offline scenario.
Setting security concerns aside, the absolute easiest way to transfer packages of data between wikis (in an offline scenario) would probably be to set up your survey UI so that all the data tiddlers it produces are automatically given
- a namespace that will be unique to each respondent
- a specific tag that will be shared by all your data tiddlers
You can then open a respondent’s wiki and drag the corresponding tag pill into your target wiki to import the data. Of course, this will get increasingly impractical as the number of respondents increases, but it might be feasible if you’re only anticipating a couple dozen responses at most.